Yamaha XSR MTM690, Owner'S Manual

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Perio d ic maintenance an d a d justment
6-23
6
EAU22762
Drive chain slack
The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU60043
To check the d rive chain slack
1. Place the motorcycle on the side-
stand.
TIP
When checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.
2. Shift the transmission into the
neutral position.
3. Push down on the drive chain un-
der the end of the drive chain
guide with a force of 15 N (1.5 kgf,
3.0 lbf).
4. Measure distance A between the
drive chain guide and the center of
the chain as shown.
5. If distance A is incorrect, adjust it
as follows.
EAU59920
To a d just the d rive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Loosen the locknut at each end of
the swingarm, and then loosen the
axle nut.
2. To tighten the drive chain, turn the
drive chain slack adjusting nut at
each end of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting nut at each end
of the swingarm in direction (b),
and then push the rear wheel for-
ward.
NOTICE:
Improper d rive
chain slack will overloa d the en-
g ine as well as other vital parts
of the motorcycle an d can lea d
to chain slippa g e or b reaka g e. If
d istance A is more than 58.0
mm (2.28 in), the chain can d am-
a g e the frame, swin g arm, an d
other parts. To prevent this from
Distance A:
51.0–56.0 mm (2.01–2.20 in)
1. Drive chain guide
2. Drive chain slack
2
1
1. Axle nut
2. Locknut
2 1
UB34E0E0.book Page 23 Friday, July 10, 2015 10:31 AM